| 摘要 |
In a differential amplifier (2), which is associated with a digital-to-analog converter (4) and a register (3) and serves as an element of an analog-to-digital converter, a required offset input voltage characteristic is achieved by selecting, for example, the ratio of the emitter areas of a pair of transistors (23, 24) so that no offset characteristic is required for the digital-to-analog converter associated with the differential amplifier. |
